depends python-wheel
depends libxslt
depends docbook-xsl

optional_depends graphviz    "" "" "for graphviz filter"
optional_depends lilypond    "" "" "for music filter"
optional_depends ImageMagick "" "" "for music filter"
optional_depends w3m         "" "" "for text generation"
optional_depends lynx        "" "" "for alternative text generation"

optional_depends source-highlight "" "" "for source-highlighting filter"
